package com.example.myapplication;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.app.ListActivity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class MyListActivity extends ListActivity {
    private static final String TAG = "List";
    Handler handler;
    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
//        List<String> list1 = new ArrayList<String>();
//        for (int i=1;i<100;i++){
//            list1.add("item"+i);
//        }
        String[] list_data ={"one","two","three","four"};
        ListAdapter adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,list_data);
        setListAdapter(adapter);




        handler = new Handler(Looper.myLooper()) {
            @Override
            public void handleMessage(@NonNull Message msg) {
                if (msg.what == 5) {
                List<String> list2 = (List<String>) msg.obj;
                ListAdapter adapter = new ArrayAdapter<String>(MyListActivity.this, android.R.layout.simple_list_item_1,list2);
                setListAdapter(adapter);
                }
                super.handleMessage(msg);
            }
        };
         //开启子线程
        MyTask myTask = new MyTask();
        myTask.setHandler(handler);
        Thread t = new Thread(myTask);
        t.start();//mytask.run();
//        Thread t = new Thread(this);
//        t.start();//this.run();
    }


}